package com.htdata.iiot.utils;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.URL;
import java.net.URLConnection;
import java.util.ArrayList;
import java.util.List;

import com.htdata.iiot.api.pojo.StreamingData;

public class Post {
	List<StreamingData> sList = new ArrayList<StreamingData>();
	static String url = "http://192.168.0.32:80/iot/data_acquire";
	public Post(String url2) {
		url = url2;
	}

	/**
	 *      * 爬虫工具类      * @param url 传入连接地址      * @param param  设置网页编码格式     
	 * * @return     
	 */
	public String SendPost(String param) {
		// 定义一个字符串用来存储网页内容
		String result = "";
		// 定义一个缓冲字符输入流
		BufferedReader in = null;

		try {
			URL realUrl = new URL(url);
			// 打开和URL之间的连接
			URLConnection conn = realUrl.openConnection();
			// 设置通用的请求属性
			conn.setRequestProperty("accept", "*/*");
			conn.setRequestProperty("connection", "close");
			conn.setRequestProperty("Content-Type", "application/json");
			conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)");
			// 发送POST请求必须设置如下两行
			conn.setDoOutput(true);
			conn.setDoInput(true);
			// 获取URLConnection对象对应的输出流
			PrintWriter out = new PrintWriter(conn.getOutputStream());
			// 发送请求参数
			out.print(param);
			// flush输出流的缓冲
			out.flush();
			// 定义BufferedReader输入流来读取URL的响应
			in = new BufferedReader(new InputStreamReader(conn.getInputStream(), "utf-8"));
			String line;
			while ((line = in.readLine()) != null) {
				result += "/n" + line;
			}
		} catch (Exception e) {
			System.out.println("发送GET请求出现异常！" + e);
			e.printStackTrace();
		}
		// 使用finally来关闭输入流
		finally {
			try {
				if (in != null) {
					in.close();
				}
			} catch (Exception e2) {
				// e2.printStackTrace();
			}
		}

		return result;
	}



}
